I think the other comments have the application-level approaches covered.

However, I suspect the infrastructure will provide this natively as it matures:

- Cloudflare will probably eventually add read replicas for Durable Objects. They're already rolling it out for D1 (their other SQLite database offering). [1]

- Turso has their own story for read replicas. [2]

[1] https://blog.cloudflare.com/building-d1-a-global-database/#s... [2] https://docs.turso.tech/features/embedded-replicas/introduct...